The word "whistleblower" has a heroic connotation. A leaker, on the other hand, might be someone who is guilty of criminal deeds that warrant punishment. 

Kindness is not about "being a doormat and letting someone walk over you." Kinndness needs to be "infused with wisdom, supported by courage, and threaded with balance."

"People who think they know everything are a great annoyance to those of us who do."-Isaac Asimov (born on this date in 1920)

"If more of us valued food and cheer and song above hoarded gold, it would be a merrier world."-J. R. R. Tolkien (born on this date in 1892)

It is surprising that, given how widespread hangovers are (especially on New Year's Day), there is not more scientific consensus on what causes the phenomenon.

This mathematical fantasy landscape was created by expanding on the Mandelbrot set of fractals to three dimensions. 

The auroras appear mostly green, as high energy particles hitting the Earth's atmosphere cause the air to glow as electrons resettle into their oxygen hosts. 

With the goal of developing cheaper drugs for humans, Chinese scientists injected pig embryos with DNA from a jellyfish. 

In order to better visualize the Martian moon Phobos, images from the European Space Agency's Mars Express orbiter have been combined to create a virtual rotation movie.

Is therapeutic cloning the biggest scientific breakthrough of 2013?

According to computer scientist Jaron Lanier, the right way to understand the famous "Turing Test" is to understand that it "began in the mind of somebody who was very close to suicide."

Using photo mosaics and elevation data from Lunar Reconnaissance Orbiter (LRO), this video commemorates the 45th anniversary of Apollo 8's historic 1968 flight by recreating the moment when the crew first saw and photographed the Earth rising from behind the Moon. 

Paul Allen talks about the process of tackling humanity's greatest challenges through the collaboration of great minds.

Nicholas Negroponte talks about the failings of the current education system and the need for a more nuanced and personalized approach that teaches students how to learn.

Vint Cerf, one of "the fathers of the Internet," discusses one of the unintended consequences of his creation - the erosion of privacy.

There is only one place in our solar system with stable liquid lakes and seas on its surface, besides planet Earth. Saturn's moon Titan is this place. 

"He never is alone that is accompanied with noble thoughts."- John Fletcher (born on this date in 1579)

A million-year natural process takes minutes in the lab.

"Worse than not realizing the dreams of your youth, would be to have been young and never dreamed at all." - Jean Genet

Chinese state television released this video of the Chang'e-3 space probe landing on the Moon, the first soft-landing in three decades.